(1794) Platisma caperatum (L.) Hoffm. Common name: common greenshield lichen. North Dakota State University. This page was last edited on 7 October 2020, at 05:00. (1796) Lichen caperatus L. (1753) The British Lichen Society, Cromwell Road, London SW7 5BD. They play an important role in our natural ecosystems and can let us know when those ecosystems are in trouble. Flavoparmelia caperata, the common greenshield lichen, is a medium to large foliose lichen that has a very distinctive pale yellow green upper cortex when dry. http://en.wikipedia.org/wiki/Flavoparmelia_caperata. https://en.wikipedia.org/w/index.php?title=Flavoparmelia_caperata&oldid=982276162, Taxonbars with automatically added basionyms, Creative Commons Attribution-ShareAlike License. F. caperata is a medium to large foliose lichen that has a very distinctive pale yellow green upper cortex when dry. Brodo, I. M., S. D. Sharnoff, and S. Sharnoff. Summary 3 Flavoparmelia caperata or common greenshield lichen (from Lichens of North America) is a medium to large foliose lichen that has a very distinctive pale yellow green upper cortex when dry.The rounded lobes, measuring 3–8 mm (0.1–0.3 in) wide, usually … Imbricaria caperata (L.) DC. Published by the author: Don Flenniken, 2273 Blachleyville Rd., Wooster, Ohio 44691. Lobaria caperata (L.) Hoffm. Checklist to Norwegian lichens: Accepted names. Parmelia saxatilis. Many species of lichen are very sensitive to pollution produced by humans (from car exhaust, factories, agricultural fertilizer, etc. (1805) fuliginosa. British Lichens - List of Lichens & Lichenicolous Fungi. Punctelia subrudecta. Flenniken, D. G. 1999. The rounded lobes, measuring 3–8 mm (0.1–0.3 in) wide, usually have patches of granular soredia arising from pustules. The lobes of the thallus may be smooth, but quite often have a wrinkled appearance especially in older specimens. The lower surface is black except for a brown margin; rhizomes... Thallus: adnate to loosely adnate, foliose, 5-20 cm in diam., sometimes forming extensive patches, irregularly lobate; lobes: subirregular, elongate, plane to subconvex, separate, 5-13 mm wide, contiguous to somewhat imbricate; apices rotund, crenate, eciliate; upper surface: yellow green to pale yellow, occasionally green-gray (in shade), smooth but becoming rugose and folded with age, dull to somewhat shiny; epruinose and emaculate; soredia: laminal, granular to wart-like, initially in circular soralia but becoming diffuse and confluent; isidia: absent; medulla: white with continuous algal layer; lower surface: black centrally, brown and naked peripherally; rhizines: dense to sparse centrally to edge of brown zone, black, simple, sometime brown or white tipped; Apothecia: rare, up to 8 mm wide, laminal, sessile; disc: brown; margin: smooth but sorediate sometimes; asci: clavate, 8-spored; ascospores: simple, ellipsoid, hyaline, 15-24 x 8-13 µm; Pycnidia: laminal, immersed; conidia: weakly bifusiform, 6 x 1 µm; Spot tests: upper cortex K-, C-, KC+ yellow, P-; medulla K-, C-, KC-, P+ red; Secondary metabolites: upper cortex with usnic acid (major) and atranorin (trace); medulla with protocetraric acid (major) and caperatic acid (minor). The rounded lobes, measuring 3–8 mm (0.1–0.3 in) wide, usually have patches of granular soredia arising from pustules. Identification: This widespread lichen grows in circular patches on \[tree bark], and sometimes on rock. Lichens of North America. Purvis, O. W., B. J. Coppins, D. L. Hawksworth, P. W. James & D. M. Moore. Common Greenshield is very sensitive to sulphur dioxide emissions from coal-fired power plants, and during most of the 20th century this striking lichen was extirpated from the industrial areas of northeast Ohio. Common Greenshield - Flavoparmelia caperata Another of my finds from Falls Creek SNA. The lower surface is black except for a brown margin; rhizoids attached to the lower surface are black and unbranched. Common Greenshield Lichen Melanelixia fuliginosa subsp. (1803) Lichens are beautiful, especially when you view a lichen-drenched Douglas-fir or a colorful crust-covered cliff, and up close when viewed under a hand-lens or microscope. Flavoparmelia caperata (Common Greenshield Lichen) is a species of Fungi in the family Parmeliaceae. Flavoparmelia caperata, the common greenshield lichen, is that grows on the bark of trees, and occasionally on rock. The white patches visible on the cypress trees are not part of the bark, but a common species of crustose lichen. The rounded lobes, measuring 3–8 mm (0.1–0.3 in) wide, usually have patches of granular soredia arising from pustules. The Common Green Shield Lichen (Parmeliaceae family) Despite the word “common” being part of its name, this is a lesser known, perhaps even downright obscure lichen, likely one few botanists or herbalists would recognize in the !eld. Checklist of the Lichens of Australia and its Island Territories (see. Recent Literature on Lichens and Mattick's Literature Search. The lichen flora of Great Britain and Ireland. EOL has data for 7 attributes , including: geographic distribution includes Psoraceae. The Lichen Herbarium, University of Oslo, Norway. If you know what form the lichen appears to be taking, please note that in the description (fruticose, foliose, crustose, leprose, gelatinous, filamentous, byssoid, and/or structureless). This lichen was very noticeable when I first walked into the woods; the earlier rain intensified the color of this and many other lichens and mosses growing on the trees. ), and can only be found in wilder areas where the air is pure, but some—common greenshield lichen included—can be found gracing trees in towns and city centers (as well as forests) across the country. Xanthoparmelia conspersa. Melanelixia fuliginosa subsp. will only copy the licensed content. It is a pale yellow green color on top, and black below (pale brown on the edges). If you are one of the 1992. The lobes of the thallus may be smooth, but quite often have a wrinkled appearance especially in older specimens. Jean Seavey, NPS volunteer. Where I live in southern Ohio, I yet have to seen this lichen on any of the trees in my area and mind you I hunt so the woods are common folk and friends to me from the age of 3 until the new to be age of 63…So I am going to search the government lands and talk to the forest rangers to help me find this cool and interesting lichen…Wish me Flavoparmelia caperata or common greenshield lichen (from Lichens of North America) is a medium to large foliose lichen that has a very distinctive pale yellow green upper cortex when dry.
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